151340542 has 4 divisors (see below), whose sum is σ = 227010816. Its totient is φ = 75670270.

The previous prime is 151340533. The next prime is 151340551. The reversal of 151340542 is 245043151.

It is a happy number.

151340542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245043151 = 17 ⋅14414303.

It is an interprime number because it is at equal distance from previous prime (151340533) and next prime (151340551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37835134 + ... + 37835137.

It is an arithmetic number, because the mean of its divisors is an integer number (56752704).

Almost surely, 2^151340542 is an apocalyptic number.

151340542 is a deficient number, since it is larger than the sum of its proper divisors (75670274).

151340542 is an equidigital number, since it uses as much as digits as its factorization.

151340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75670273.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 151340542 is about 12302.0543812812. The cubic root of 151340542 is about 532.9074131624.

Adding to 151340542 its reverse (245043151), we get a palindrome (396383693).

The spelling of 151340542 in words is "one hundred fifty-one million, three hundred forty thousand, five hundred forty-two".